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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. int main()
  6.   {
  7.    string text = "dls?d1:s45;=dd-96m0aA7";
  8.    int sum=0,pos=-1;
  9.    for(int i=0;i<=text.size();++i)
  10.      {
  11.       if(isdigit(text[i]))
  12.         {
  13.          if(pos<0) pos=i;	
  14.         }
  15.       else if(pos>=0)
  16.         {
  17.          sum+=(((pos)&&(text[pos-1]=='-'))?-1:1)*atoi(&text[pos]);
  18.          pos=-1;
  19.         }
  20.      }
  21.    cout<<sum<<endl;
  22.    return 0;
  23.   }
Success #stdin #stdout 0s 3460KB
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-43
https://ideone.com/GLMKlp
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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